/*\r
- FreeRTOS V9.0.0 - Copyright (C) 2016 Real Time Engineers Ltd.\r
- All rights reserved\r
-\r
- VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
-\r
- This file is part of the FreeRTOS distribution.\r
-\r
- FreeRTOS is free software; you can redistribute it and/or modify it under\r
- the terms of the GNU General Public License (version 2) as published by the\r
- Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.\r
-\r
- ***************************************************************************\r
- >>! NOTE: The modification to the GPL is included to allow you to !<<\r
- >>! distribute a combined work that includes FreeRTOS without being !<<\r
- >>! obliged to provide the source code for proprietary components !<<\r
- >>! outside of the FreeRTOS kernel. !<<\r
- ***************************************************************************\r
-\r
- FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
- FOR A PARTICULAR PURPOSE. Full license text is available on the following\r
- link: http://www.freertos.org/a00114.html\r
-\r
- ***************************************************************************\r
- * *\r
- * FreeRTOS provides completely free yet professionally developed, *\r
- * robust, strictly quality controlled, supported, and cross *\r
- * platform software that is more than just the market leader, it *\r
- * is the industry's de facto standard. *\r
- * *\r
- * Help yourself get started quickly while simultaneously helping *\r
- * to support the FreeRTOS project by purchasing a FreeRTOS *\r
- * tutorial book, reference manual, or both: *\r
- * http://www.FreeRTOS.org/Documentation *\r
- * *\r
- ***************************************************************************\r
-\r
- http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading\r
- the FAQ page "My application does not run, what could be wrong?". Have you\r
- defined configASSERT()?\r
-\r
- http://www.FreeRTOS.org/support - In return for receiving this top quality\r
- embedded software for free we request you assist our global community by\r
- participating in the support forum.\r
-\r
- http://www.FreeRTOS.org/training - Investing in training allows your team to\r
- be as productive as possible as early as possible. Now you can receive\r
- FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers\r
- Ltd, and the world's leading authority on the world's leading RTOS.\r
-\r
- http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
- including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
- compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
-\r
- http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.\r
- Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.\r
-\r
- http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High\r
- Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS\r
- licenses offer ticketed support, indemnification and commercial middleware.\r
-\r
- http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
- engineered and independently SIL3 certified version for use in safety and\r
- mission critical applications that require provable dependability.\r
-\r
- 1 tab == 4 spaces!\r
-*/\r
+ * FreeRTOS Kernel V10.3.0\r
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
+ *\r
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
+ * this software and associated documentation files (the "Software"), to deal in\r
+ * the Software without restriction, including without limitation the rights to\r
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
+ * the Software, and to permit persons to whom the Software is furnished to do so,\r
+ * subject to the following conditions:\r
+ *\r
+ * The above copyright notice and this permission notice shall be included in all\r
+ * copies or substantial portions of the Software.\r
+ *\r
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
+ *\r
+ * http://www.FreeRTOS.org\r
+ * http://aws.amazon.com/freertos\r
+ *\r
+ * 1 tab == 4 spaces!\r
+ */\r
\r
/*\r
- * Creates eight tasks, each of which loops continuously performing a floating \r
+ * Creates eight tasks, each of which loops continuously performing a floating\r
* point calculation - using single precision variables.\r
*\r
- * All the tasks run at the idle priority and never block or yield. This causes \r
- * all eight tasks to time slice with the idle task. Running at the idle priority \r
+ * All the tasks run at the idle priority and never block or yield. This causes\r
+ * all eight tasks to time slice with the idle task. Running at the idle priority\r
* means that these tasks will get pre-empted any time another task is ready to run\r
- * or a time slice occurs. More often than not the pre-emption will occur mid \r
- * calculation, creating a good test of the schedulers context switch mechanism - a \r
- * calculation producing an unexpected result could be a symptom of a corruption in \r
+ * or a time slice occurs. More often than not the pre-emption will occur mid\r
+ * calculation, creating a good test of the schedulers context switch mechanism - a\r
+ * calculation producing an unexpected result could be a symptom of a corruption in\r
* the context of a task.\r
*/\r
\r
#define mathSTACK_SIZE configMINIMAL_STACK_SIZE\r
#define mathNUMBER_OF_TASKS ( 8 )\r
\r
-/* Four tasks, each of which performs a different floating point calculation. \r
+/* Four tasks, each of which performs a different floating point calculation.\r
Each of the four is created twice. */\r
static portTASK_FUNCTION_PROTO( vCompetingMathTask1, pvParameters );\r
static portTASK_FUNCTION_PROTO( vCompetingMathTask2, pvParameters );\r
static portTASK_FUNCTION_PROTO( vCompetingMathTask3, pvParameters );\r
static portTASK_FUNCTION_PROTO( vCompetingMathTask4, pvParameters );\r
\r
-/* These variables are used to check that all the tasks are still running. If a \r
+/* These variables are used to check that all the tasks are still running. If a\r
task gets a calculation wrong it will\r
stop incrementing its check variable. */\r
static volatile uint16_t usTaskCheck[ mathNUMBER_OF_TASKS ] = { ( uint16_t ) 0 };\r
\r
fAnswer = ( f1 + f2 ) * f3;\r
\r
- /* The variable this task increments to show it is still running is passed in \r
+ /* The variable this task increments to show it is still running is passed in\r
as the parameter. */\r
pusTaskCheckVariable = ( uint16_t * ) pvParameters;\r
\r
taskYIELD();\r
#endif\r
\r
- /* If the calculation does not match the expected constant, stop the \r
+ /* If the calculation does not match the expected constant, stop the\r
increment of the check variable. */\r
if( fabs( f4 - fAnswer ) > 0.001F )\r
{\r
\r
if( sError == pdFALSE )\r
{\r
- /* If the calculation has always been correct, increment the check \r
+ /* If the calculation has always been correct, increment the check\r
variable so we know this task is still running okay. */\r
( *pusTaskCheckVariable )++;\r
}\r
fAnswer = ( f1 / f2 ) * f3;\r
\r
\r
- /* The variable this task increments to show it is still running is passed in \r
+ /* The variable this task increments to show it is still running is passed in\r
as the parameter. */\r
pusTaskCheckVariable = ( uint16_t * ) pvParameters;\r
\r
#if configUSE_PREEMPTION == 0\r
taskYIELD();\r
#endif\r
- \r
- /* If the calculation does not match the expected constant, stop the \r
+\r
+ /* If the calculation does not match the expected constant, stop the\r
increment of the check variable. */\r
if( fabs( f4 - fAnswer ) > 0.001F )\r
{\r
\r
if( sError == pdFALSE )\r
{\r
- /* If the calculation has always been correct, increment the check \r
+ /* If the calculation has always been correct, increment the check\r
variable so we know\r
this task is still running okay. */\r
( *pusTaskCheckVariable )++;\r
size_t xPosition;\r
short sError = pdFALSE;\r
\r
- /* The variable this task increments to show it is still running is passed in \r
+ /* The variable this task increments to show it is still running is passed in\r
as the parameter. */\r
pusTaskCheckVariable = ( uint16_t * ) pvParameters;\r
\r
pfArray = ( float * ) pvPortMalloc( xArraySize * sizeof( float ) );\r
\r
- /* Keep filling an array, keeping a running total of the values placed in the \r
- array. Then run through the array adding up all the values. If the two totals \r
+ /* Keep filling an array, keeping a running total of the values placed in the\r
+ array. Then run through the array adding up all the values. If the two totals\r
do not match, stop the check variable from incrementing. */\r
for( ;; )\r
{\r
fTotal1 = 0.0F;\r
fTotal2 = 0.0F;\r
fPosition = 0.0F;\r
- \r
+\r
for( xPosition = 0; xPosition < xArraySize; xPosition++ )\r
{\r
pfArray[ xPosition ] = fPosition + 5.5F;\r
- fTotal1 += fPosition + 5.5F; \r
+ fTotal1 += fPosition + 5.5F;\r
}\r
\r
#if configUSE_PREEMPTION == 0\r
\r
if( sError == pdFALSE )\r
{\r
- /* If the calculation has always been correct, increment the check \r
+ /* If the calculation has always been correct, increment the check\r
variable so we know this task is still running okay. */\r
( *pusTaskCheckVariable )++;\r
}\r
size_t xPosition;\r
short sError = pdFALSE;\r
\r
- /* The variable this task increments to show it is still running is passed in \r
+ /* The variable this task increments to show it is still running is passed in\r
as the parameter. */\r
pusTaskCheckVariable = ( uint16_t * ) pvParameters;\r
\r
pfArray = ( float * ) pvPortMalloc( xArraySize * sizeof( float ) );\r
\r
- /* Keep filling an array, keeping a running total of the values placed in the \r
- array. Then run through the array adding up all the values. If the two totals \r
+ /* Keep filling an array, keeping a running total of the values placed in the\r
+ array. Then run through the array adding up all the values. If the two totals\r
do not match, stop the check variable from incrementing. */\r
for( ;; )\r
{\r
for( xPosition = 0; xPosition < xArraySize; xPosition++ )\r
{\r
pfArray[ xPosition ] = fPosition * 12.123F;\r
- fTotal1 += fPosition * 12.123F; \r
+ fTotal1 += fPosition * 12.123F;\r
}\r
\r
#if configUSE_PREEMPTION == 0\r
\r
if( sError == pdFALSE )\r
{\r
- /* If the calculation has always been correct, increment the check \r
+ /* If the calculation has always been correct, increment the check\r
variable so we know this task is still running okay. */\r
( *pusTaskCheckVariable )++;\r
}\r
}\r
-} \r
+}\r
/*-----------------------------------------------------------*/\r
\r
/* This is called to check that all the created tasks are still running. */\r
BaseType_t xAreMathsTaskStillRunning( void )\r
{\r
-/* Keep a history of the check variables so we know if they have been incremented \r
+/* Keep a history of the check variables so we know if they have been incremented\r
since the last call. */\r
static uint16_t usLastTaskCheck[ mathNUMBER_OF_TASKS ] = { ( uint16_t ) 0 };\r
BaseType_t xReturn = pdTRUE, xTask;\r
\r
- /* Check the maths tasks are still running by ensuring their check variables \r
+ /* Check the maths tasks are still running by ensuring their check variables\r
are still incrementing. */\r
for( xTask = 0; xTask < mathNUMBER_OF_TASKS; xTask++ )\r
{\r